TM-9-2320-285-24-2
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-2 - Page 8 of 698
TM 9-2320-285-24-2
Section I. ENGINE AND COOLING SYSTEMS MAINTENANCE
This section contains the information you need to maintain the:
• Engine
• Cooling System
It gives you instructions on how to troubleshoot problems and repair
or replace the components that are within the scope of direct
support maintenance.
Para
Troubleshooting Symptom Index
............................................................................
3-1
Engine Troubleshooting
.........................................................................................
3-2
Cooling System Troubleshooting
...........................................................................
3-3
Engine Maintenance.
................................................................................................
3-4
Cooling System Maintenance.
..................................................................................
3-5
Radiator .
.........................................................................................................
3-5a
Fan Shroud.
....................................................................................................
3-5b
Fan Drive Assembly .
......................................................................................
3-5c
NOTE
Refer to TM 9-2815-205-34 for inspection, maintenance, repair, and
adjustment of the engine cylinder block, valves and tappets, rocker arm, oil
cooler, oil pan, oil inlet tube, and regulator and relief valve.
NOTE
Refer to TM 9-2815-205-34 for test, maintenance, and repair of the fuel
injector assemblies and rack, fuel pump assembly, fuel lines, blower
assembly, turbo-charger, and governor.
3-1.
TROUBLESHOOTING SYMPTOM INDEX
Para/Malfunction
Page
ENGINE
Engine lacks power .
.................................................................................................
3-2/1
3-3
COOLING SYSTEM
Engine overheats or does not reach operating
temperature
............................................................................................................
3-3/1
3-3 j
Cooling system not pressurized
..........................................................................................
3-3/2
3-4
3-2
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